Samsung SyncMaster 753Ms, 753v, 750s, 753s Owner's Manual page 30

On Screen Display (OSD) Menu System
Menu How to adjust
Parallelogram
Adjust the parallelogram setting when the display is leaning
left or right.
With the menu off, push the menu
Push the - button or + button until the Geometry
screen is displayed.
Push the menu
the Parallelogram screen appears.
Push the menu
adjustment screen.
Use the - button or + button to adjust the parallel setting.
Rotation
Adjust the rotation setting when the entire display
is tilted left or right.
With the menu off, push the menu
Push the - button or + button until the Geometry
screen is displayed.
Push the menu
the Rotation screen appears.
Push the menu
adjustment screen.
Use the - button or + button to adjust the rotation setting.
button.
button again and then press the - or + button until
button to open the Parallelogram
button.
button again and then press the - or + button until
button to open the Rotation